Bibliography
Donovan, Stephen K. (editor) "Mass Extinctions; Processes and Evidence." Columbia University Press, New York, 1989.
Brenchley, Patrick J. "The Late Ordovician Extinction."
Kummel, Bernhard. "History of the Earth; an Introduction to Historical Geology." W. H. Freedman, San Francisco, 1970.
Larwood, G.P. (editor). "Extinction and Survival in the Fossil Record." Systematics Association special volume; no. 34. Claredon Press, New York, 1988.
Briggs, D.E.G. et al. "Extinction and the Fossil Record of the Arthropods."
House, Michael R. "Extinction and Survival in the Cephalopoda."
Paul, C.R. C. "Extinction and Survival in the Echinoderms."
Taylor, P.D and G.P. Larwood. "Mass Extinction and the Pattern of Bryozoan Evolution."
Stanley, Steven M. "Extinction." Scientific American Library series; no. 20. Scientific American Books, New York, 1987.
van der Pluijm, Ben A. and Steven Marshak. "Earth Structure; an Introduction to Structural Geology and Tectonics." WCB/McGraw Hill, 1997.
Vander Voo, Rob. "Paleomagnitiesm of the Atlantic/Tethys/Iapetus Oceans." Cambridge University Press, Cambridge, 1993.
Windley, Brian F. "The Evolving Continents." John Wiley and Sons LTD, West Sussex, 1995.
Woodward, Nicholas (leader). "Geometry and Deformation Fabrics in the Central and Southern Appalachian Valley and Ridge and Blue Ridge." IGC Field trip 357, Field Trip Guidebook T357.